Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution...
Reexamination Certificate
2005-11-28
2011-11-22
Meller, Michael (Department: 1655)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
Reexamination Certificate
active
08062678
ABSTRACT:
This is about a type ofPiper laetispicumC.DC. extract and the preparation method thereof as well as the application of the extract in preparing drugs, healthcare products and food additives for treating and/or preventing diseases related to monoamine transmitters such as 5-hydroxytryptamine, noradrenaline and dopamine. The extract is obtained through impregnating or percolating at normal temperature or ≦70° C., or is obtained through supercritical fluid extraction method, and in comparison with the existing reflux method, it has higher alkaloid content and higher biological activity.
REFERENCES:
patent: 6858648 (2005-02-01), Pan et al.
patent: 1291481 (2001-04-01), None
patent: 1532182 (2004-09-01), None
Jiang Yi
Wang Ezhou
Meller Michael
Sutherland & Asbill & Brennan LLP
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